The Sea Dragon Mini 1200 is compact enough to fit comfortably in your hand and also features long battery life, running for 4.4 hours on one 18650 rechargeable Li-ion 2600mAh battery at quarter power or 1.1 hours at full power. The battery compartment also features an integrated safety pressure release valve. With a beam angle of 8° (6° underwater), the powerful 1200 lumen light is perfect for pointing out sea creatures at a distance, viewing in dark areas or crevices, getting your buddy’s attention or navigating a night dive.